magento 2.3 migration images issues

gistfile1.txt

<?php 
/**
* I faced a strange issue while migrating a magento 2.3 from a server to another.
* some of the product images where in a uppercase folder on the server and on a lowercase on the db
* the fix was to create links...
*/
//get the folders list from [magento root]/apps/magento/htdocs/pub/media/catalog/product
$folders = ["A","B","C","d","e","f","G","h","i","J","k","l","M","n","o","P","r","s","T","u","V","w","y"];

foreach( $folders as $folder )
{
    $path = '[magento root]/apps/magento/htdocs/pub/media/catalog/product/'.$folder;

    $dirs = array_filter(glob($path.'/*'),'is_dir');
    foreach( $dirs as $dir )
    {
        $pieces = explode('/',$dir);
        $folderLetter = end($pieces);
        if( ctype_upper( $folderLetter ) )
        {
            echo " ln -s $path/$folderLetter $path/".strtolower( $folderLetter )." \n";
        }
        else
        {
            echo " ln -s $path/$folderLetter $path/".strtoupper( $folderLetter )." \n";
        }
    }
}